Vent closure



FIG. 1 is a top and side perspective view of a vent closure with acontainer shown in dotted lines for environmental purposes only andforming no part of the claimed design;

FIG. 2 is a top plan view of the vent closure; and,

FIG. 3 is a side view thereof, it being understood that all side viewsthereof are identical thereto.

The ornamental design for a vent closure, substantially as shown anddescribed.